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Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in Fig


The coefficient of static friction between boards and surface is 0.5. The minimum value of , for which this type of arrangement is possible is

a)

b)

c)

d)

It is not possible to have this type of balanced arrangement


Question ID - 100295 :-

Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in Fig


The coefficient of static friction between boards and surface is 0.5. The minimum value of , for which this type of arrangement is possible is

a)

b)

c)

d)

It is not possible to have this type of balanced arrangement

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

For the equilibrium of the entire structure,

Given

For individual boards,

and

For safe equilibrium,

So the minimum value of  for this type of arrangement is



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